IMPROVED VISCOSITY MODIFIER POLYMERS

L'invention se rapporte à des copolymères hydrogénés de butadiène et d'au moins un autre diène, tel que de préférence l'isoprène. Le copolymère est hydrogéné et comprend au moins 10 % en poids d'au moins un segment cristallisable et au moins un segment de faible cristallinité. Th...

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Hauptverfasser: STRUGLINSKI, MARK, JOSEPH, FETTERS, LEWIS, JOHN, VERSTRATE, GARY, WILLIAM
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Sprache:eng ; fre ; ger
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creator STRUGLINSKI, MARK, JOSEPH
FETTERS, LEWIS, JOHN
VERSTRATE, GARY, WILLIAM
description L'invention se rapporte à des copolymères hydrogénés de butadiène et d'au moins un autre diène, tel que de préférence l'isoprène. Le copolymère est hydrogéné et comprend au moins 10 % en poids d'au moins un segment cristallisable et au moins un segment de faible cristallinité. The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segment.
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Le copolymère est hydrogéné et comprend au moins 10 % en poids d'au moins un segment cristallisable et au moins un segment de faible cristallinité. The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. 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language eng ; fre ; ger
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
FUELS
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS
LUBRICANTS
LUBRICATING COMPOSITIONS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
title IMPROVED VISCOSITY MODIFIER POLYMERS
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